android简单问题大家都看看(重谢)

2011-06-22 05:42:55 292 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

CUDA内存分配避坑指南：cudaMallocHost的隐藏成本与性能陷阱本文深入探讨了CUDA内存分配中`cudaMallocHost`的隐藏成本与性能陷阱，揭示了固定内存对系统性能的潜在影响。通过分析底层机制、高级用法和实战调优策略，帮助开发者避免常见错误，优化GPU加速计算的性能表现。阅读详情

运行的时候插入第二个表情的时候老报错,错误:

ERROR/AndroidRuntime(7458): java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first. 告诉帮忙解决一下



public class MainActivity extends Activity {

	private static String TAG="MainActivity";

	private Button expressionButton;

	private LayoutInflater inflater;

	private GridView mGridView;

	private EditText et;

	private Dialog dialog; 

	private int[]face=new int[]

	{		R.drawable.smiley_b_close,R.drawable.smiley_colon_apostrophe_open,

			R.drawable.smiley_colon_close,R.drawable.smiley_colon_d,

			R.drawable.smiley_colon_dollar,R.drawable.smiley_colon_e,

			R.drawable.smiley_colon_o,R.drawable.smiley_colon_open,

			R.drawable.smiley_colon_p,R.drawable.smiley_colon_pipe,

			R.drawable.smiley_colon_s,R.drawable.smiley_colon_slash,

			R.drawable.smiley_colon_star,R.drawable.smiley_colon_three,

			R.drawable.smiley_colon_x,R.drawable.smiley_greater_than_colon_open,

			R.drawable.smiley_kik,R.drawable.smiley_less_than_slash_three,

			R.drawable.smiley_less_than_three,R.drawable.smiley_semicolon_close

	};

	private ImageGetter imageGetter = new ImageGetter() {

		

		@Override

		public Drawable getDrawable(String source) {

			int id = Integer.parseInt(source);

			Drawable draw = getResources().getDrawable(id);

			draw.setBounds(0, 0, draw.getIntrinsicWidth(), draw.getIntrinsicHeight());

			return draw;

		}

	};

	@Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        

        et=(EditText) findViewById(R.id.EditText1);

        expressionButton = (Button) findViewById(R.id.expressionButton);

        inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);

        View layout = inflater.inflate(R.layout.customdialog, null);

        mGridView  = (GridView) layout.findViewById(R.id.gridview);

        mGridView.setAdapter(new ImageAdapter(MainActivity.this));

        

        expressionButton.setOnClickListener(new View.OnClickListener() {

			

			@Override

			public void onClick(View v) {

//				MyDialog myDialog = new MyDialog(MainActivity.this);

//				myDialog.show();

				dialog =new Dialog(MainActivity.this);

				dialog.setContentView(mGridView);

				dialog.setTitle("表情选择");

				dialog.show();

			}

		});

        mGridView.setOnItemClickListener(new OnItemClickListener() {

        	

        	@Override

        	public void onItemClick(AdapterView<?> arg0, View arg1, int position,

        			long id) {

        		alertFace(position);

        	}

        	public void alertFace(int position) {

        		et.append(Html.fromHtml("<img src='"+face[position]+"'/>",imageGetter,null));

        		//e_text  = et.getText().toString();

        		dialog.dismiss();

        	}

        });

        

    }

	@Override

	protected void onStart() {

		super.onStart();

	}

}